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sdas [7]
4 years ago
8

What is the first step in solving this equation: 5x + 7 = 12

Mathematics
1 answer:
Hatshy [7]4 years ago
8 0

Answer:

x =1

Step-by-step explanation:

5x +7=12

5x=12-7

5x=5

x=1

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SI UN NUMERO SE MULTIPLICA POR 7, EL RESULTADO ES IGUAL AL NUMERO AUMENTADO EN 24. ¿ CUAL ES EL NUMERO? 7 . X : X + 24
andre [41]

Answer: El número es 4.

Step-by-step explanation:

Sea X un número.

Acá tenemos:

"Si un número se multiplica por 7"

Esto se escribe como 7*X

"... El resultado es igual al número aumentado en 24"

Esto lo podemos escribir como:

7*X = X + 24

Ahora debemos resolver esta ecuación para X.

7*X = X + 24

Primero, debemos llevar todos los términos con X al mismo lado de la ecuación, para hacer esto, podemos restar X en ambos lados:

7*X - X = (X + 24) - X

6*X = 24

Ahora debemos dividir ambos lados por 6.

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6 0
3 years ago
The city of Atlanta increased their sales tax from 7.5% t 8%. How much more tax would you pay on a $10 purchase?
butalik [34]
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7 0
3 years ago
Given the line below.
Assoli18 [71]

Answer:

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Step-by-step explanation:

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y - y₁ = m(x - x₁)

where m is the slope and (x₁, y₁ ) a point on the line

Calculate m using the slope formula

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with (x₁, y₁ ) = (- 2, - 1 ) and (x₂, y₂ ) = (2, 1 )

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y + 1 = \frac{1}{2} (x + 2)

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Answer:

No, not congruent

Step-by-step explanation:

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Hope this helps! If you found my answer helpful, please consider marking me brainliest. Thank you!

4 0
3 years ago
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max2010maxim [7]

It’s a 50/50 chance since there is only 2 sides. (1?2)

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